31.

Consider the following statements :

(a) Nearly 30% of the petroleum production in the world is from the off shore areas.

(b) The exclusive economic zone in the ocean extends 100 nautical miles from the coast.

(c) Only less than 1% of marine area is declared as protected area.

(d) The largest marine protected area is the Great Barrier Reef. 

• (a) and (b)

• (a) , (b) and (d)

• (a) and (d)

• (b) and (c)

Which of the following groups of countries represents the flow of foodgrains to food deficit regions of the world ?

• North America , Argentina , Indian sub-continent  and China to Western Europe , Middle East and Japan

• Australia , South Africa , India to Middle East , Western Europe and North Africa

• North America , Argentina , South Africa and Australia to Japan , Russia and Western Europe

• North America , Australia , Russia to China , Japan and Middle East

Which one of the following groups of countries requires import of iron to sustain their demand ?

• Western Europe , Brazil and Canada

• Japan , Western Europe and U.S.A.

• India , China and South Africa

• U.S.A. , Western Europe and Mexico

Which one of the following is the busiest ocean trade route ?

• Panama

• North Atlantic route

• Suez Canal

• Cape Route

Balance of Trade of India is always negative with the Middle Eastern countries due to the import of :

• Food material

• Cotton Textile

• Coal and Iron

• Petroleum

Surface circulation of ocean water is driven by :

• Resisting force

• Tidal force

• Gravitational force

• Blowing wind

For coastal sand dune formation , the ideal grain size diameter is :

• 0.15 mm

• 0.50 mm

• 0.25 mm

• 0.75 mm

Coastal area greatly affected by storm surge is :

• Andhra coast

• West Bengal coast

• Chennai coast

• Kerala coast

How many essential nutrients are required by plants to fulfil their growth reuirements ?

• 24

• 22

• 20

• 18

Mesophytes are predominated in :

• Tropical region

• Sub-polar region

• Temperate region 

• Polar region